Elisa, a fiery and passionate teenager, wants to enjoy the summer of her 17 years on the steep slopes of the Vercors where she grew up. But her mother leaves the house and leaves her alone with her father to look after her disabled sister. An increasingly heavy responsibility that makes love switch to hatred.

Just days before her wedding to Pierre, fearless police captain Anna sees her plans thrown into chaos when a murder is committed within their circle. Caught between a criminal investigation, family secrets, and romantic turmoil, she must solve the case before she can make it down the aisle.