Lie to Me the Truth (2021)

A couple in love spends time away from civilization. The sudden arrivals of the younger sister first, and then the girl's ex-boyfriend, violate the country idyll. Each of the heroes has his own plan for this weekend, and together they become hostages of the situation and participants in cruel psychological games. Falling in love gives way to passion, and innocent flirting causes jealousy that could lead to mortal danger.