Inspector Leach probes the brutal murder of an elderly widow in her Gull's Point home. A failed suicide, a false theft charge, an out-of-service hotel lift and a tennis star's love life intersect, culminating in a bizarre mass murder plot.

After finding a young man's remains, Léa wakes up in the 90s and body swaps seven times as she tries to solve the mystery of his death — and prevent it.