The Sign of the Times Add-on for Mafia III has 10 achievements.
Drove a distance of 50 km in the Samson Harrier
Killed 4 enemies using Slow-Mo Shooting 10 Times
Fully renovated Sammy's
Protected Sammy's from the Dixie Mafia
Began Sammy's Renovation
You killed Bonnie Harless
Killed 20 enemies using Throwing Knives
Investigated the 3 "Places of Darkness"
You met Bonnie Harless
You investigated the cult's activities at Sammy's