Wikimedia Commons/Will Trent Season 4 TV Will Trent's haunting trip to Puerto Rico uncovers a dark family secret linked to Ulster. A betrayal raises the stakes in season 4's gripping new chapter. April 18, 2026 AceShowbiz - Will Trent season 4 takes a gripping turn with its latest episode, introducing a chilling new dimension to the story that will deeply impact the remaining chapters of the season. In episode 11, the narrative expands beyond its usual settings as the protagonist travels to Puerto Rico, uncovering a dark connection to a figure linked to his past.