In Paris, Lark tells her fiancé Martin she is pregnant, news he takes badly. Weeks before, they arrive in Paris to stay with their friends Jordy and Guil. On holiday their sex life escalates. Lark's periods are irregular and a taken pregnancy test proves positive. Lark and Martin argue about the baby in public. Michael Lawson, writer's agent for adult websites approaches them. It shocks Lark to find Martin is dead against a baby after positive discussions in the past. Martin questions the baby's progeny and pressures for termination. They repeatedly fight and make up. Martin takes off to London without Lark, taking her passport and tickets and remaining out of contact. Lark orders a new passport and stays in Paris. Hurting and adrift, Lark contacts Michael Lawson's agency and begins writing as a distraction from her uncertainties. Martin arrives back accepting the pregnancy. All is well, but when Jordy's friend Marcelle hits on Martin, Lark learns that Marcelle was Martin's previous wife. Martin and Lark discover they have twins. Lark continues to write and submit stories. Marcelle finds she is also pregnant. Lark's passport arrives and the couple travel to Amsterdam to stay with another friend. Martin returns to Paris temporarily. Lark finds evidence that Marcelle is still involved with him, also returns to Paris to confront them both. But Martin and Marcelle are actually twins, not ex partners. After many revelations, Martin and Lark come to a fresh understanding about their level of commitment needed for their imminent twins and Marcelle talks to her lover about her own pregnancy. Eighteen years later, Lark and Marcelle tell their three children, these intertwining histories and how, shortly after this the two fathers-to-be were killed instantly. Consequently, Lark and Marcelle became co-parenting lesbians, raising their three children.