<sod>In [[Moscow]], Viktor Chagarin (Sergei Kolesnikov), a high-ranking, but corrupt, Russian official plans to incriminate former billionaire and government [[whistleblower]] Yuri Komarov ([[Sebastian Koch]]) in an imminent rigged trial unless Komarov hands over a secret file believed to contain evidence incriminating Chagarin.  Separately, Jack McClane ([[Jai Courtney]]), who has been arrested after an assassination attempt, negotiates for a shorter sentence by offering to testify against Komarov. Meanwhile, [[John McClane]] ([[Bruce Willis]]), who has not been in touch with his son for several years, has learned his son is in trouble and travels to [[Russia]] to help. As John arrives and approaches the courthouse where Komarov is on trial, a bomb explosion, orchestrated by Chagarin's henchman Alik (Radivoje Bukvić), occurs in the courthouse and Jack breaks free with Komarov. Seeing his son, John confronts him, but their dispute is cut short as Alik and his men chase them in a US [[Cougar (vehicle)|Cougar]] [[MRAP]] through the streets of Moscow. John, Jack and Komarov manage to escape.<eod>
<sod>In [[Moscow]], Viktor Chagarin (Sergei Kolesnikov), a high-ranking, but corrupt, Russian official plans to incriminate former billionaire and government [[whistleblower]] Yuri Komarov ([[Sebastian Koch]]) in an imminent rigged trial unless Komarov hands over a secret file believed to contain evidence incriminating Chagarin.  Separately, Jack McClane ([[Jai Courtney]]), who has been arrested after an assassination attempt, negotiates for a shorter sentence by offering to testify against Komarov. Meanwhile, [[John McClane]] ([[Bruce Willis]]), who has not been in touch with his son for several years, has learned his son is in trouble and travels to [[Russia]] to help. As John arrives and approaches the courthouse where Komarov is on trial, a bomb explosion, orchestrated by Chagarin's henchman Alik (Radivoje Bukvić), occurs in the courthouse and Jack breaks free with Komarov. Seeing his son, John confronts him, but their dispute is cut short as Alik and his men chase them in a US [[Cougar (vehicle)|Cougar]] [[MRAP]] through the streets of Moscow. John, Jack, and Komarov manage to escape.<eod>