Uninvited guests

A secret laboratory from the USSR era. According to documents from the archive, the Ingrid corporation conducted unofficial human experiments in its laboratory under the leadership of Lev Barinov. After a scandal and the disappearance of an entire state for unknown reasons, Barinov was shot, and the laboratory was closed. 12 years later, the laboratory resumed work, but now they are producing pharmaceutical drugs. You are student lab assistants from the Petersburg Institute who have come there for an internship. An SOS signal has been sent, the worst fears have come true, save yourselves!