The wedding bells are pealing again on the MS Deutschland, and wedding planners Andrea and Stefan have their hands full once again. Julia and Lennart are traveling to Provence with their best man and maid of honor. Walking Lennart down the aisle to the altar is Eva, his considerably older partner in the architecture agency they both run. On board, Eva learns that she is pregnant. When she hints to Lennart that he could very well be the father – considering all he drank at his stag party and his blackout after it – Lennart is stunned and doesn't know what to do. Famous young-adult author Ulrike is happy with her husband Jean, a pastor. The two met and married very quickly after their respective divorces. Jean grew up in Provence and now Ulrike wants to open a restaurant there. Just as their honeymoon begins, the police show up and arrest Jean on an appalling suspicion....