S21, E7: Personal trainer Julian Safranski is found dead, his fitness drink laced with poison. Detectives Winter and Stadler are on the case, investigating the people closest to him, starting with his wife Jessika, a pharmacist with access to toxic substances. As the detectives uncover Julian's history of infidelity and hidden tensions in his personal life, they must sift through a list of potential suspects with motives rooted in jealousy and betrayal.