Two friends who are doing civil service flee to the Austrian Alps to escape being forced into the army. While there, one of them rediscovers his past and they realise that it's going to be more fun than they thought.

Eleven year old Tim plays fate and takes a flight to Scotland with his father Eric. They were happy there two years ago, shortly before his mother Anna died in a car accident. In Scotland, Tim combs through the Hartspring Castle and whose crypt. He finds a chart with Celtic characters, that refers to the true existence of the legendary Loch Ness monster.

Marion, a Berliner facing child custody and job loss as her ex Felix oversees her factory’s insolvency, scoffs at the idea of a savior, until Robin Hood appears in her kitchen. Believing medieval justice can fix modern woes, he takes on Felix to help Marion.

Inspector Dupin actually wanted to spend his honeymoon with his wife Claire in a famous wine region, but when a murder occurs, the vacation is over.

Lisa has accepted the marriage proposal from her Croatian boyfriend Hrvoje and is in seventh heaven. However, the walk down the aisle presents the couple with an unexpected problem. Hrvoje's strict Catholic mother, who insists on a traditional wedding, and Lisa's divorced parents from the former hippie scene are worlds apart. So the bride-to-be tries to persuade her quarrelling parents Gerd and Theresa to pull themselves together during the celebrations in Croatia! Easier said than done, because Theresa is extremely skeptical about her daughter's marriage plans. When she discovers that the groom is apparently seeing someone else, her worst fears seem to be confirmed.

A real and a fake Gauguin take Dupin back to the 19th century.

Inspector Dupin finds himself entangled in several mysteries at once: the discovery of a corpse on a remote Atlantic island, the mystery surrounding a Celtic musical instrument, and the search for the true cause of a tragedy.