Claudia and Imanol: Claudia and Imanol met in 1988 and hadn't seen each other since then until they found each other on Tinder. Imanol believes this is fate's doing. Claudia thinks fate is an invention to give meaning to life. Their differences and the pressure of expectations placed on their reunion will jeopardize the anticipated fairy tale.

Alba and Josep / Dani and Javi: Dani is determined to set up his sister Alba, a girl with intellectual disabilities, on her first date. She agrees with one condition: that he also goes on a date. While Alba meets Josep, a guy with autism, Dani meets Javi, who identifies as aromantic, meaning someone incapable of falling in love.

Paula and Sofía: Paula and Sofía reunite in Barcelona after 7 years. Both the city and themselves have changed, but their connection remains as strong as the first day. Matilda and Samuel: Matilda has had a bad day, a bad week, and a bad month, but her luck seems to improve when she "matches" with Samuel, a guy who looks like Thor's handsome brother.

Abi and Murall: Abi is perplexed when her Tinder match, Murall, assures her that he is "Trapped in Time," in the style of Bill Murray, and that he can only break the loop if their date goes well. Meri and Oriol: Meri's date with Oriol gets complicated when her ex shows up with his new partner. Before she realizes it, the situation has turned into a four-person conversation.

Nico and Diana: Diana has only had one date in her life, and it was with her late husband. Nico has never had a stable relationship. Their date starts off great, but they soon discover that they are looking for very different things. Juanqui and Barbs: Despite their significant age difference, Juanqui and Barbs enjoy a pleasant date together. However, an unexpected accident leads them to end up in the emergency room.

Laura and Jan: After being left alone on New Year's Eve, Laura and Jan have a date and spend the night together in a hotel. Everything goes well until Jan receives a message from his ex. Tiago and Mimi: Tiago escapes from a New Year's Eve dinner to meet Mimi, his Tinder date who lives in the same building, but he doesn't realize that he has forgotten his phone and keys.