The Tower 3: Gallowstree Lane

Season 3 of The Tower ends with courage and sacrifice as Operation Perseus successfully concludes.

DCI Sarah Collins struggles to maintain her ethical standards in a culture of dishonesty and shortcuts as The Tower's third season reaches its penultimate episode.

Both the tension and danger levels of The Tower ratchet up as Sarah Collins’ investigation continues on its collision course with Operation Perseus.

BritBox’s The Tower returns with Season 3, "Gallowstree Road," a complex and gripping police procedural set in gritty South London, with Gemma Whelan as DS Sarah Collins.

BritBox has packed its September Thursdays with back-to-back debuts of Trigger Point Season 2, The Bay Season 5, and The Tower Season 3.

ITV revealed that it has commissioned a third season of the series The Tower, under the title The Tower 3: Gallowtree Lane, which is expected to stream in the U.S. on BritBox.