The accident commission, with representatives from Sweden, Estonia and Finland, meets for the first time.They state that the wreck must be found. Mikaela Larsson seeks information for the relatives and Henri Peltonen's engineering skills are put to the test.

The survivor Janek Tamm is called in for his seventh questioning at the accident commission. Henri Peltonen tries to produce a complete timeline of the course of events, but Tamm's story changes time and time again. Can he really be trusted?

Brothers Axel and Lucas are on the boat home from a business trip in Tallinn when their cabin suddenly fills with water. The accident commission needs a new chairman, and when several representatives resign, the entire investigation risks falling apart.