Gen Z amateur sleuth Darby Hart and eight other guests are invited by a reclusive billionaire to participate in a retreat at a remote location. When one of the guests is found dead, Darby must use her skills to prove it was murder.

In Retreat, which puts a new spin on the classic whodunit, Darby and 11 other guests are invited by a reclusive billionaire to participate in a retreat at a remote and dazzling location. When one of the other guests is found dead, Darby must fight to prove it was murder against a tide of competing interests and before the killer takes another life.—leigh-hill81