Complex sentence: They find a cabin where Martin (Chris Coy), a Terminus resident, working on launching a firework to lure away the walker horde; they overhear him speaking via radio to Terminus about the captive members of Rick's and the other fours group.
Split into simpler sentences: They find a cabin where Martin (Chris Coy), a Terminus resident, working on launching a firework to lure away the walker horde. Both overhear him speaking via radio to Terminus about the captive members of Rick's and the other fours group.