They were previously involved in an awkward love triangle, before she finally chose to be with sandwich maker Joe. But, in a preview of Sunday's episode, it looks as though there's unfinished business between Tommy and Lucie as the two get up to some flirtatious antics - sending tension through the villa. Their behaviour doesn't go unnoticed by Lucie's partner Joe, who later admits ahead of the recoupling that he's having doubts about whether the surfer is the right girl for him. Still a spark: In a preview of Sunday's episode, it looks as though there's unfinished business between Tommy and Lucie as the two get up to some flirtatious antics The drama unfolds as the group are relaxing on the beanbags in the garden, when suddenly Tommy and Lucie start whispering between themselves. The two, who had previously contemplated a relationship before Lucie picked Joe, then got up and headed off to the kitchen. They then proceeded to lark about and play games in a flirtatious manner, leaving their fellow islanders to look on in shock. Commenting on the situation, Anna told the rest of the group: 'I think it's so rude when you're in a group of people sitting like this and you start whispering. Fuming: Their behaviour doesn't go unnoticed by Lucie's partner Joe, who later admits ahead of the recoupling that he's having doubts about whether the surfer is the right girl for him Flirty: The drama unfolds as the group are relaxing on the beanbags in the garden, when suddenly Tommy and Lucie start whispering between themselves 'No wonder she doesn't want to hang out with us, we don't make her laugh like that.' Amber then goes up to Joe in the gym and asks if he's alright after witnessing the pair go off together. And Joe makes it clear that he was none too pleased with the way Lucie had acted. Later, Joe heads to the beach hut where he reveals he doesn't know why Tommy and Lucie are spending so much time together. Tensions: Commenting on the situation, Anna told the rest of the group: 'I think it's so rude when you're in a group of people sitting like this and you start whispering Unimpressed: Amber then goes up to Joe in the gym and asks if he's alright after witnessing the pair go off together Love triangle? Later, Joe heads to the beach hut where he reveals he doesn't know why Tommy and Lucie are spending so much time together 'Lucie and Tommy always go off and have little chats,' he said. 'I know they’re just friends but it’s strange. She knows it’ll be affecting me. She’s not really caring that much.' Ahead of the next recoupling, in which the boys choose the girls, Joe confided his doubts about Lucie to Molly Mae. He moaned: 'I want a happy villa. Happy families. Lucie is acting very selfishly. Who is she sitting with now? Tommy. I feel like she isn’t the person I met.' With the situation still on his mind, he later pulled Lucie for a chat, telling her: 'The whole thing with Tommy, it is strange. You were with him for a good hour.' Confiding: 'I want a happy villa. Happy families. Lucie is acting very selfishly. Who is she sitting with now? Tommy. I feel like she isn’t the person I met' Unsure: With the situation still on his mind, he later pulled Lucie for a chat, telling her: 'The whole thing with Tommy, it is strange. You were with him for a good hour' To which Lucie replies: 'Yes because I get on with him better than the girls. It doesn’t mean there is a romantic thing there.' However, Joe hits back, saying: 'You know I like you so much but I do doubt things at times.' With the couple having only recently declared they were exclusive, could there be trouble in paradise already? And will there be a huge shock in store when it comes to the recoupling? Love Island continues on Sunday night at 9PM on ITV2. Defence: To which Lucie replies: 'Yes because I get on with him better than the girls. It doesn’t mean there is a romantic thing there' Shock recoupling? With the couple having only recently declared they were exclusive, could there be trouble in paradise already? All rights reserved for this news site dailymail and under his responsibility