Defendant, an insurance company that denied coverage to plaintiffs by refusing to defend or indemnify them in a wrongful eviction civil action, had a duty to defend plaintiffs according to the plain meaning of their policy, but the trial court did not abuse its discretion in denying imposition of sanctions, under section 155 of the Insurance Code, on defendant at summary judgment proceedings for erroneously denying coverage, since defendant reasonably believed that the policy did not cover the wrongful eviction.