After the commander sends Alain along with Mackintosh and the others to guard the fort, Mackintosh reveals that he had been sent to kill Alain as part of a deal to reimburse his father, who was left penniless due to gambling debts.
Following the commander's order to send Alain and Mackintosh, along with others, to safeguard the fort, Mackintosh divulges that he had been instructed to assassinate Alain as part of an agreement to settle his father’s financial troubles resulting from gambling debts.