Andrei and his wife Vati from "The Mysterious Covenant" wanted to get rich quickly. Their opportunity came when they worked as nurses for a wealthy grandmother. When the grandmother suddenly passed away, they saw a chance to take control of her estate. To avoid suspicion from neighbors, Andrei, who had previously worked in a morgue, intentionally used formaldehyde to pretend that the grandmother was still alive and purposefully wandered around the village with her.
